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Power Master Energy CoROCO:6839 +1.29%66 PS Ratio is 0.60 as of Jul. 31, 2026, which is 29% below its 10-year median of 0.84. GuruFocus rates ROCO:6839 with a GF Score™ of 66/100 and a GF Value™ of NT$15.54 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 1,019 Semiconductors companies, Power Master Energy Co ranks better than 87.93% on this metric.
The PS Ratio, or Price-to-Sales ratio, or Price/Sales, is a financial ratio used to compare a company's market price to its Revenue per Share. As of today, Power Master Energy Co's share price is NT$11.80.
Power Master Energy Co's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was NT$19.67. Hence, Power Master Energy Co's PS Ratio for today is 0.60.
The historical rank and industry rank for Power Master Energy Co's PS Ratio or its related term are showing as below:
ROCO:6839'
s PS Ratio Range Over the Past 10 Years
Min: 0.46 Med: 0.84 Max: 1.38
Current: 0.61
During the past 8 years, Power Master Energy Co's highest PS Ratio was 1.38. The lowest was 0.46. And the median was 0.84.
ROCO:6839's PS Ratio is ranked better than 87.93% of 1019
companies
in the Semiconductors industry
Industry Median: 3.38
vs ROCO:6839: 0.61
Power Master Energy Co Ltd revenue per share has been in decline for the last 5 years.
During the past 12 months, the average Revenue per Share Growth Rate of Power Master Energy Co was -10.60% per year.
During the past 3 years, the average Revenue per Share Growth Rate was -26.40% per year.
During the past 5 years, the average Revenue per Share Growth Rate was -12.80% per year.
During the past 8 years, Power Master Energy Co's highest 3-Year average Revenue per Share Growth Rate was 27.40% per year. The lowest was -26.40% per year. And the median was -9.70% per year.
Power Master Energy Co (ROCO:6839) PS Ratio Explanation
The PS Ratio is an excellent valuation indicator if you want to compare a stock with its historical valuation or with the stocks in the same industry. The PS Ratio works especially well when you want to compare the stock's current valuation with its historical valuation. The PS Ratio is a great valuation tool for evaluating cyclical businesses where the PE Ratio works poorly. It works the best when comparing the current valuation with the historical valuation because over time, a company's profit margin tends to revert to the mean.
When the PS Ratio is applied to the whole stock market, it can be used to evaluate the current market valuation and projected returns. In this case, the price is the total market cap of all stocks that are traded, and sales are the GDP of the country. This is how Warren Buffett estimates the broad market valuation and project future returns.
The PS Ratio does not tell you how cheap or expensive the stock is. It cannot be used to compare companies in different industries. It works better for companies within the same industry because these companies tend to have similar capital structures and profit margins. It works the best when comparing a company with itself in the past.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Solar subindustry, Power Master Energy Co's PS Ratio, along with its competitors' market caps and PS Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Power Master Energy Co PS Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Power Master Energy Co's PS Ratio distribution charts can be found below:
* The bar in red indicates where Power Master Energy Co's PS Ratio falls into.
The PS Ratio, or Price-to-Sales ratio, or Price/Sales, is a financial ratio used to compare a company's market price to its Revenue per Share. It is a ratio widely used to value stocks and it was first used by Ken Fisher.
Power Master Energy Co's Share Price of today is NT$11.80.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. Power Master Energy Co's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was NT$19.67.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
Power Master Energy Co (ROCO:6839) has a PS Ratio of 0.60 as of Jul. 31, 2026. Price-to-Sales ratio is the ratio of share price to a company's revenue per share. View historical data on Power Master Energy Co and its competitors. This is 29% below median its historical median of 0.84. Over the past decade, Power Master Energy Co's PS Ratio has ranged from 0.46 to 1.38. According to the industry distribution chart, Power Master Energy Co ranks #123 out of 1019 companies in the Semiconductors industry, placing it in the top 12.1%.
Is Power Master Energy Co's PS Ratio too high?
Power Master Energy Co's current PS Ratio of 0.60 is 29% below median its 10-year median of 0.84. Over the past 10 years, this metric has ranged from a low of 0.46 to a high of 1.38. The Semiconductors industry median PS Ratio is 3.38. Power Master Energy Co's value of 0.60 is 82.2% below this industry median. Based on the distribution chart, Power Master Energy Co ranks #123 out of 1019 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Power Master Energy Co has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Power Master Energy Co's PS Ratio compare to FSLR and NXT?
According to the Semiconductors industry distribution chart, Power Master Energy Co ranks #123 out of 1019 companies for PS Ratio. This places Power Master Energy Co in the top 12% of its industry — outperforming the majority of peers. The industry median PS Ratio is 3.38. Power Master Energy Co's value of 0.60 is 82.2% below this benchmark. Historically, Power Master Energy Co's own PS Ratio has ranged from 0.46 to 1.38 over the past decade. While the company's 10-year median is 0.84 vs. the industry median of 3.38, Power Master Energy Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PS Ratio for a Semiconductors company?
The median PS Ratio among Semiconductors companies is 3.38, based on 1,019 companies in the industry. Companies in the top quartile (top 25%) have a PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Power Master Energy Co's current PS Ratio of 0.60 is 82.2% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PS Ratio mean?
A high PS Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Sales ratio is the ratio of share price to a company's revenue per share. View historical data on Power Master Energy Co and its competitors. For the Semiconductors industry, the median PS Ratio is 3.38 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Power Master Energy Co's current PS Ratio is 0.60, which is 29% below median its own 10-year median of 0.84. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Power Master Energy Co stock overvalued right now?
Based on GuruFocus' analysis, Power Master Energy Co (ROCO:6839) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$15.54, compared to a current price of NT$11.80 — trading 24.1% below its estimated fair value. The current PS Ratio is 0.60, which is 29% below median its 10-year median of 0.84 and 82.2% below the Semiconductors industry median of 3.38. Power Master Energy Co's overall GF Score™ is 66/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PS Ratio calculated?
PS Ratio is calculated from a company's financial statements. For Power Master Energy Co (ROCO:6839), the current PS Ratio is 0.60 as of Jul. 31, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Power Master Energy Co (ROCO:6839) Overvalued in 2026?
Based on GuruFocus' analysis, Power Master Energy Co stock appears to be undervalued.
The current stock price of NT$11.80 is trading 24.1% below its estimated GF Value™ of NT$15.54.
GuruFocus considers Power Master Energy Co to be Modestly Undervalued.
Key valuation signals for ROCO:6839:
PS Ratio: 0.60 (29% below median its 10-year median of 0.84)
GF Value™: NT$15.54 vs. price of NT$11.80 (24.1% below fair value)
Industry Position: 82.2% below the Semiconductors median (#123 of 1019)
No single metric tells the full story. See the ROCO:6839 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Power Master Energy Co Ltd Formerly Power Master II Holdings Co Ltd is a professional solar power system provider in Taiwan. The business scope is divided into the four main axes of the solar power systems: Engineering Contract EPC, Power Plant Investment, Maintenance Operation Management, and Energy Storage System. It also develops solar photovoltaic components such as modules, brackets, and inverters.
66GF Score
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